Technaxx rechargeable TX-168 car alarm charges from DC12V or 24V cigarette lighter socket. Includes a button for panic alarm and has an additional external siren with 105dB for the engine compartment for more attention. This device is a must-have for everyone who wants to protect their property (car, boat, house) against theft and vandalism. Additionally, it has two ports for charging external devices, one USB with a total of 5V/2.4A, and one USB-C with a total of 5V/3.0A output power. The TX-168 is quick and easy to install and you do not have to be an engineer to setup and handle this anti-theft gadget, which also can be used as stand-alone device, and moreover it is possible to connect up to 3 remote controls.